Overview
"About 3 million people" (count blank): user IDs, nicknames, names, addresses, phones, emails, gender, birth dates, skin and hair type. No passwords or card data. istyle separately reported an email-address leak via Ymir Link's Cuenote FC, a different incident.
Timeline
- Occurred
- Discovered
- Disclosed
Organization response
Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.
What you can do
Be wary of emails, SMS or calls impersonating the organisation; do not open links or attachments or enter passwords or card details. Change reused passwords on other services.
Sources
- 不正アクセスによる個人情報漏えいに関するお詫びとお知らせについて株式会社アイスタイル · 2026-11-09